How can you recognize a trait controlled by Polygenic Inheritance?

lenaelle

wrote...

11 years ago

and could you give me some examples? b/c i am trying to study for this Genetics test, and I just do not understand Polygenic Inheritance !!! Face with Stuck-out Tongue

thaaaaaaaaaaaaaaaaaanks ( Frowning Face

: in advance!

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len5002

wrote...

11 years ago

Single gene traits produce distinctive, discontinuous ratios of progeny.

Polygenic traits produce a continuous range that is graphed as a binomial curve. They show a normal distribution or bell shaped curve where most progeny have the average value but there are individuals at each extreme.

Height is polygenic. The vast majority of individuals are average height with roughly equally diminishing numbers going to the extremes; dwarfs are as rare as giants.

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